5.6 sec in total
517 ms
4.7 sec
314 ms
Visit i4wifi.cz now to see the best up-to-date I 4 Wifi content for Czech Republic and also check out these interesting facts you probably never knew about i4wifi.cz
Společnost i4wifi 100MEGA Distribution s.r.o. se zabývá velkoobchodní a maloobchodní distribucí zařízení pro bezdrátový internet, optické připojení a prodejem dalších síťových komponent.
Visit i4wifi.czWe analyzed I4wifi.cz page load time and found that the first response time was 517 ms and then it took 5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
i4wifi.cz performance score
name
value
score
weighting
Value5.5 s
6/100
10%
Value14.5 s
0/100
25%
Value8.6 s
17/100
10%
Value500 ms
58/100
30%
Value0.01
100/100
15%
Value14.5 s
8/100
10%
517 ms
410 ms
1220 ms
949 ms
319 ms
Our browser made a total of 113 requests to load all elements on the main page. We found that 58% of them (66 requests) were addressed to the original I4wifi.cz, 26% (29 requests) were made to Img4.cz and 4% (5 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Img4.cz.
Page size can be reduced by 1.4 MB (52%)
2.7 MB
1.3 MB
In fact, the total size of I4wifi.cz main page is 2.7 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 70% of websites need less resources to load. Javascripts take 1.4 MB which makes up the majority of the site volume.
Potential reduce by 183.6 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 36.2 kB, which is 16% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 183.6 kB or 83% of the original size.
Potential reduce by 57.3 kB
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, I 4 Wifi needs image optimization as it can save up to 57.3 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 666.5 kB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 666.5 kB or 49% of the original size.
Potential reduce by 471.1 kB
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. I4wifi.cz needs all CSS files to be minified and compressed as it can save up to 471.1 kB or 84% of the original size.
Number of requests can be reduced by 59 (58%)
101
42
The browser has sent 101 CSS, Javascripts, AJAX and image requests in order to completely render the main page of I 4 Wifi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 39 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.
i4wifi.cz
517 ms
www.i4wifi.cz
410 ms
www.i4wifi.cz
1220 ms
theme-default-4wifi.css
949 ms
responsive.dataTables.min.css
319 ms
colReorder.dataTables.min.css
319 ms
buttons.dataTables.min.css
320 ms
nouislider.min.css
322 ms
filtr.css
529 ms
cookiesV2.css
776 ms
jquery.min.js
636 ms
jquery-ui.min.js
740 ms
functions.js
429 ms
jquery.dataTables.min.js
745 ms
dataTables.responsive.min.js
619 ms
dataTables.colReorder.min.js
637 ms
dataTables.buttons.min.js
726 ms
buttons.colVis.min.js
743 ms
sum().js
30 ms
jquery.scrollTo.min.js
744 ms
jquery.slides.min.js
835 ms
nouislider.min.js
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wNumb.js
849 ms
nette.ajax.js
850 ms
live-form-validation.js
852 ms
smartform.js
854 ms
jquery.sliderPro.min.js
730 ms
bootstrap.min.js
557 ms
icheck.min.js
558 ms
jquery.mCustomScrollbar.min.js
660 ms
jquery.blueimp-gallery.min.js
558 ms
tableExport.js
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jquery.base64.js
661 ms
html2canvas.js
768 ms
sprintf.js
664 ms
jspdf.js
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base64.js
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recaptcha.js
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api.js
35 ms
plugins.js
767 ms
actions.js
772 ms
bootstrap-select.js
862 ms
css
33 ms
jquery-ui.min.css
324 ms
bootstrap.min.css
541 ms
font-awesome.min.css
337 ms
blueimp-gallery.min.css
334 ms
jquery.mCustomScrollbar.css
340 ms
animate.min.css
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bg.png
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gtm.js
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header_bg1.png
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imgthumb
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994 ms
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1014 ms
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1014 ms
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top.jpg
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1178 ms
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bottom.jpg
1237 ms
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js
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landing
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jquery.mousewheel.min.js
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api.js
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recaptcha__cs.js
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520 ms
SmartForm.css
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openhand.cur
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85 ms
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168 ms
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272 ms
i4wifi.cz accessibility score
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
ARIA IDs are not unique
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
i4wifi.cz best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
i4wifi.cz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Page is blocked from indexing
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document doesn't use legible font sizes
Tap targets are not sized appropriately
CS
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise I4wifi.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it matches the claimed language. Our system also found out that I4wifi.cz main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
i4wifi.cz
Open Graph description is not detected on the main page of I 4 Wifi. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: